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3 years ago

Question 6

Mathematics

1 answer:

Korolek [52]3 years ago

3 0

Answer:

n=17/a

Step-by-step explanation:

isolate the variable by dividing each side by factors that don't contain the variable

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Mrs. Wilbur can grade a set of 30 test in 2 hours. What is Miss wilbur rate per hour?

otez555 [7]

Answer: 15 tests per hour.

Step-by-step explanation: Mrs. Wilbur did 30 tests in 2 hours, so you would divide to find the rate per hour. 15 should be your answer.

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damaskus [11]

Answer d is correct!!!!!

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Which is the equation of a parabola with vertex (0, 0), that opens to the left and

andrezito [222]

Answer:

Step-by-step explanation:

I'm going to guess that the square exponents are on the top y's only? then answer b) looks good

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With full explanation from the internet like before 3x2-6x+5=0

Elodia [21]

Answer:

$\sf x=1+i\sqrt{\dfrac{2}{3}} \ \quad and \quad \:x=1-i\sqrt{\dfrac{2}{3}}$

Explanation:

Given Expression:

3x² - 6x + 5 = 0

Use the Quadratic Formula:

$\sf x = \dfrac{ -b \pm \sqrt{b^2 - 4ac}}{2a} \ \ when \ \ ax^2 + bx + c = 0$

insert coefficients

$\Longrightarrow \sf x = \dfrac{-\left(-6\right)\pm \sqrt{\left(-6\right)^2-4\cdot \:3\cdot \:5}}{2\cdot \:3}$

$\Longrightarrow \sf x = \dfrac{\left6\right\pm \sqrt{-24} }{6}$

$\Longrightarrow \sf x = \dfrac{\left6\right\pm 2\sqrt{6}i}{6}$

$\Longrightarrow \sf x =1 \pm i\dfrac{\sqrt{6} }{3}$

$\Longrightarrow \sf x=1+i\sqrt{\dfrac{2}{3}}, \quad 1-i\sqrt{\dfrac{2}{3}}$

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2 years ago

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NeX [460]

I’m pretty sure it would be 4, since y= (x) which would be the numbers on the chart and then add 2
ex: y= (2) + 2
y= 4 and so on

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3 years ago

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